Front

What is the function of the nucleus in a cell?

Back

The nucleus controls the activities of the cell and contains the cell's genetic material.

Front

What organelles are absent in animal cells?

Back

Cell wall and chloroplasts are not present in animal cells.

Front

What are the three main parts of cell theory?

Back

1. All living things are made of cells. 2. Cells are the smallest units of structure and function in life. 3. Cells come from other cells.

Front

Why do some scientists consider viruses to be living things?

Back

Because they have genetic material.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes produce proteins.

Front

What is the function of mitochondria?

Back

Mitochondria are the powerhouse of the cell, providing energy through cellular respiration.

Front

What is the role of the cell membrane?

Back

The cell membrane controls what enters and exits the cell, maintaining homeostasis.

Front

What is cytoplasm?

Back

Cytoplasm is the jelly-like substance within the cell membrane that contains organelles.

Front

What is the function of lysosomes?

Back

Lysosomes contain enzymes that break down waste materials and cellular debris.

Front

What is the function of chloroplasts?

Back

Chloroplasts are responsible for photosynthesis in plant cells, converting sunlight into energy.